A small black mole on the surface of the scrotum may be caused by pigmented nevus, scrotal eczema, common warts and other factors.
1. Pigmented nevus: if the patient often wears tight underwear, it may produce too much friction, resulting in localized pigmentation, forming an accumulation in the scrotum, which leads to the appearance of small black nevus on the surface of the scrotum.
2. Scrotal eczema: if stimulated by the external environment, or suffering from chronic digestive system diseases, etc., may induce scrotal eczema, papules, papules and other symptoms, may appear thin scabs, scales, etc., with deepening or lightening of pigmentation, so it may also appear on the surface of the scrotum with a small black mole.
3. common warts: if accidentally infected with human papilloma virus, may produce common warts, may lead to the surface of the scrotum to produce the size of the needle cap flat pimples, the appearance can be cauliflower, gray or light brown, so may also appear on the surface of the scrotum with a small black mole.
If there is a small black mole on the surface of the scrotum, and accompanied by other uncomfortable symptoms, you should consult a doctor in time, so as not to delay the condition.